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<title>Using the GNU Compiler Collection (GCC): RISC-V Built-in Functions</title>

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<a name="RISC_002dV-Built_002din-Functions-1"></a>
<h4 class="subsection">6.60.28 RISC-V Built-in Functions</h4>

<p>These built-in functions are available for the RISC-V family of
processors.
</p>
<dl>
<dt><a name="index-_005f_005fbuiltin_005fthread_005fpointer"></a>Built-in Function: <em>void *</em> <strong>__builtin_thread_pointer</strong> <em>(void)</em></dt>
<dd><p>Returns the value that is currently set in the &lsquo;<samp>tp</samp>&rsquo; register.
</p></dd></dl>

<dl>
<dt><a name="index-_005f_005fbuiltin_005friscv_005fpause"></a>Built-in Function: <em>void</em> <strong>__builtin_riscv_pause</strong> <em>(void)</em></dt>
<dd><p>Generates the <code>pause</code> (hint) machine instruction.  This implies the
Xgnuzihintpausestate extension, which redefines the <code>pause</code> instruction to
change architectural state.
</p></dd></dl>




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